CN115750422A - Fan shaking value testing method and system, electronic equipment and storage medium - Google Patents
Fan shaking value testing method and system, electronic equipment and storage medium Download PDFInfo
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- CN115750422A CN115750422A CN202211352108.8A CN202211352108A CN115750422A CN 115750422 A CN115750422 A CN 115750422A CN 202211352108 A CN202211352108 A CN 202211352108A CN 115750422 A CN115750422 A CN 115750422A
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Abstract
A fan sloshing value testing method, a system, an electronic device and a storage medium are provided, wherein the method comprises the following steps: acquiring rotating speed data of a fan with a shaking value to be tested; judging whether the rotating speed data reach a first threshold value or not, and if the rotating speed data reach the first threshold value, acquiring distance data of a distance sensor; continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set; calculating a shaking value of the fan; and judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value test is unqualified, and if the shaking value is smaller than the second threshold value, giving a second signal that the fan shaking value test is qualified. The fan running shaking value is accurately measured through the distance sensor, the testing process of the shaking value is automated, errors of manual testing are avoided, the testing accuracy is improved, and labor cost is saved.
Description
Technical Field
The invention relates to the technical field of fan manufacturing, in particular to a fan shaking value testing method and system, electronic equipment and a storage medium.
Background
The fan and the fan lamp need to be tested in the shaking value under the running state environment before leaving the factory, and if the shaking value of the fan exceeds the standard, the use experience of a customer can be influenced.
Adopt the artifical test of laser pen + scale to judge the mode at present, specifically, operate the fan setting on the gallows, and the laser pen binds on the fan, thereby let rocking of fan drive the laser pen and rock, on the light beam that the laser pen jetted out beat predetermined panel, the circular shape scale has been drawn forth on the panel, if the fan is in operation, the light spot of laser beam on the panel is all the time in the within range of circular scale, then think that the fan rocks the value qualified, otherwise, then think unqualifiedly.
The defects existing in the mode comprise: 1. whether the product is qualified or not is judged manually, and deviation of manual judgment exists; 2. in the test process, personnel are required to visually check whether the light spot shaking range of the laser pen exceeds the scale or not in the whole process, and the working intensity is high.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a fan shaking value testing method and system, electronic equipment and a storage medium.
In a first aspect, the present invention provides a fan sloshing value testing method, including:
acquiring rotating speed data of a fan with a shaking value to be tested;
judging whether the rotating speed data reach a first threshold value or not, if so, acquiring distance data of a distance sensor, and taking a distance value from the distance sensor to the fan as the distance data by the distance sensor;
continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
calculating a sway value for the fan based on the distance dataset;
and judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value test is unqualified, and if the shaking value is smaller than the second threshold value, giving a second signal that the fan shaking value test is qualified.
According to the fan oscillation value testing method provided by the invention, the fan oscillation value is calculated based on the distance data set, and the method comprises the following steps:
calculating a first difference between a maximum distance and a minimum distance in the distance data set;
taking the first difference value as the shaking value;
or,
taking a first distance in the time sequence of the distance data set as a return-to-zero value;
calculating a plurality of second differences between distances at other time sequences in the distance dataset and the return-to-zero value;
and taking the maximum value of the plurality of second difference values as the shaking value.
According to the fan shaking value testing method provided by the invention, a plurality of distance data in a time window with a preset length are continuously acquired to form a distance data set, and the method comprises the following steps:
and continuously acquiring a plurality of groups of distance data in a plurality of sub-time windows to form a plurality of sub-distance data sets.
According to the fan oscillation value testing method provided by the invention, the fan oscillation value is calculated based on the distance data set, and the method comprises the following steps:
calculating a plurality of sub-oscillation values of the fan based on a plurality of the sub-distance datasets;
and taking the maximum value of the plurality of sub-oscillation values as the oscillation value of the fan.
According to the fan sloshing value testing method provided by the invention, the method further comprises the following steps:
during other time periods when the first signal and the second signal are given, a third signal is given that the fan is under test.
In a second aspect, the present invention further provides a fan sloshing value testing system, including:
the first acquisition module is used for acquiring the rotating speed data of the fan with the shaking value to be tested;
the first judging module is used for judging whether the rotating speed data reach a first threshold value or not, if the rotating speed data reach the first threshold value, distance data of a distance sensor is obtained, and the distance sensor measures a distance value from the distance sensor to the fan to serve as the distance data;
the second acquisition module is used for continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
a calculation module for calculating a sloshing value of the fan based on the distance data set;
and the judging module is used for judging whether the shaking value exceeds a preset second threshold value, if the shaking value exceeds the second threshold value, a first signal that the fan shaking value test is unqualified is given, and if the shaking value is smaller than the second threshold value, a second signal that the fan shaking value test is qualified is given.
In a third aspect, the present invention further provides a fan sloshing value testing system, including:
the rotating speed sensor is used for acquiring rotating speed data of the fan to be tested with the shaking value;
a distance sensor for measuring a distance value from the sensor to the fan as distance data;
the controller is connected with the rotating speed sensor and the distance sensor;
wherein,
the controller judges whether the rotating speed data reach a first threshold value or not, and if the rotating speed data reach the first threshold value, the distance data of the distance sensor are obtained;
the controller continuously acquires a plurality of distance data in a time window with a preset length to form a distance data set;
the controller calculates a sloshing value of the fan based on the distance data set;
the controller judges whether the shaking value exceeds a preset second threshold value, if the shaking value exceeds the second threshold value, a first signal that the fan shaking value test is unqualified is given, and if the shaking value is smaller than the second threshold value, a second signal that the fan shaking value test is qualified is given.
According to the fan sloshing value testing method provided by the invention, the system further comprises:
the display device is connected with the controller;
the display device emits a first color light when receiving the first signal, and emits a second color light when receiving the second signal.
In a fourth aspect, the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the fan sloshing value testing method according to any one of the above methods when executing the computer program.
In a fifth aspect, the present invention further provides a non-transitory computer readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the steps of the fan sloshing value testing method according to any one of the above-mentioned items.
According to the fan oscillation value testing method and system, the electronic equipment and the storage medium, the fan operation oscillation value is accurately measured through the distance sensor, the oscillation value testing process is automated, errors of manual testing are avoided, the testing accuracy is improved, and the labor cost is saved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart illustrating a fan sloshing value testing method according to the present invention;
FIG. 2 is a schematic structural diagram of a fan sloshing value testing system according to the present invention;
FIG. 3 is a schematic structural diagram of another fan sloshing value testing system according to the present invention;
fig. 4 is a schematic physical structure diagram of an electronic device provided in the present invention.
Reference numerals: 1-a first hanger; 2-a fan; 3-a distance sensor; 4-a second hanger; and 5, a controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The fan sloshing value testing method provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
Fig. 1 is a schematic flow chart of a fan sloshing value testing method according to the present invention, and as shown in fig. 1, the fan sloshing value testing method according to the present invention includes the following steps.
Preferably, the test method is executed as a program by the controller, and the actions of obtaining, judging, calculating, giving, etc. in the following steps correspond to various functions in the program.
S100, obtaining the rotating speed data of the fan with the shaking value to be tested.
Preferably, after the fan is started, the rotation speed of the fan is gradually increased under the controller.
S200, judging whether the rotating speed data reach a first threshold value or not, if so, acquiring distance data of the distance sensor, and measuring a distance value from the distance sensor to the fan as the distance data by the distance sensor.
Preferably, the first threshold value is set to be 265rpm/min, and the highest wind speed of the fan to be measured is 265-270rpm/min.
S300, continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set.
Preferably, the predetermined length is 3s.
Optionally, continuously acquiring a plurality of distance data within a time window of a predetermined length to form a distance data set, including:
and continuously acquiring multiple groups of distance data in multiple sub-time windows to form multiple sub-distance data sets.
Preferably, the length of the sub-time windows is 1s, and correspondingly, the number of the sub-time windows is 3.
Further, the 3 sub-time windows are consecutive in time.
Optionally, calculating a fan sloshing value based on the distance data set comprises:
calculating a plurality of sub-oscillation values of the fan based on the plurality of sub-distance data sets;
and taking the maximum value of the sub-oscillation values as the oscillation value of the fan.
And S400, calculating the shaking value of the fan based on the distance data set.
Optionally, calculating a fan sloshing value based on the distance data set comprises:
calculating a first difference between the maximum distance and the minimum distance in the distance data set;
taking the first difference value as a shaking value;
or,
taking the first distance of the distance data set in the time sequence as a return-to-zero value;
calculating a plurality of second differences between distances at other time sequences in the distance data set and the return-to-zero value;
and taking the maximum value of the second difference values as the shaking value.
S500, judging whether the shaking value exceeds a preset second threshold value, if the shaking value exceeds the second threshold value, giving a first signal that the fan shaking value test is unqualified, and if the shaking value is smaller than the second threshold value, giving a second signal that the fan shaking value test is qualified.
Optionally, the method further comprises:
during other periods of time when the first and second signals are given, a third signal is given that the fan is under test.
The embodiment realizes the accurate measurement of the fan running shaking value through the distance sensor, and the testing process of the shaking value is automated, so that the error of manual testing is avoided, the testing accuracy is improved, and the labor cost is saved.
Fig. 2 is a schematic structural diagram of a fan sloshing value testing system according to another embodiment of the present invention, as shown in fig. 2, the fan sloshing value testing system according to another embodiment of the present invention includes:
the rotating speed sensor is used for acquiring rotating speed data of the fan 2 with the shaking value to be tested;
a distance sensor 3 for measuring a distance value from the sensor to the fan 2 as distance data;
the controller 5 is connected with the rotating speed sensor and the distance sensor 3;
wherein,
the controller 5 judges whether the rotating speed data reach a first threshold value, and if the rotating speed data reach the first threshold value, distance data of the distance sensor are obtained;
the controller 5 continuously acquires a plurality of distance data in a time window with a preset length to form a distance data set;
the controller 5 calculates a fan oscillation value based on the distance data set;
the controller 5 judges whether the shaking value exceeds a preset second threshold value, if the shaking value exceeds the second threshold value, a first signal that the fan shaking value test is unqualified is given, and if the shaking value is smaller than the second threshold value, a second signal that the fan shaking value test is qualified is given.
Preferably, the rotation speed sensor is arranged in the first hanger 1, and the first hanger 1 is used for hanging the fan 2 up to operate, so as to simulate the stress state of the fan 2 in a normal operation scene.
Preferably, the system also comprises a second cradle 4, said second cradle 4 being used to set up the distance sensor 3, the distance sensor 3 being able to measure its own distance from the fan.
Preferably, the distance sensor 4 comprises a laser displacement sensor.
Further, the distance between the laser displacement sensor and the fan is 300-600mm, and if the distance is not within the range, the measurement accuracy cannot meet the requirement of the shaking value test, so that the test fails.
It should be noted that the distance sensor may also be an electromagnetic wave sensor using other bands, such as a millimeter wave radar, or a sonar. Further, touch sensors may not be suitable for this scenario, as the touch sensor itself may affect the fan's wobble performance.
Preferably, the controller comprises a Programmable Logic Controller (PLC).
Optionally, the system further comprises:
the display device is connected with the controller;
the display device emits a first color light when receiving the first signal, and emits a second color light when receiving the second signal.
Preferably, the controller is further capable of providing a third signal that the fan is under test during other periods of time in which the first and second signals are provided.
Preferably, the display device emits a third color light upon receiving the third signal.
Preferably, the display means comprises a three-colour lighthouse, able to give a prominent cue to a person.
The fan lamp shipment detection link has been realized using in this embodiment, and system stability is better than the test system of manual judgement.
The embodiment realizes the accurate measurement of the fan running shaking value through the distance sensor, and the testing process of the shaking value is automated, so that the error of manual testing is avoided, the testing accuracy is improved, and the labor cost is saved.
The fan sloshing value testing system provided by the invention is described below, and the fan sloshing value testing system described below and the fan sloshing value testing method described above can be referred to correspondingly.
Fig. 3 is a schematic structural diagram of another fan sloshing value testing system provided by the present invention, and as shown in fig. 3, the another fan sloshing value testing system provided by the present invention includes:
the first acquisition module is used for acquiring the rotating speed data of the fan with the shaking value to be tested;
the first judging module is used for judging whether the rotating speed data reach a first threshold value or not, if the rotating speed data reach the first threshold value, distance data of the distance sensor are obtained, and the distance sensor measures a distance value from the distance sensor to the fan as the distance data;
the second acquisition module is used for continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
the calculating module is used for calculating the shaking value of the fan based on the distance data set;
the judging module is used for judging whether the shaking value exceeds a preset second threshold value, if the shaking value exceeds the second threshold value, a first signal that the fan shaking value test is unqualified is given, and if the shaking value is smaller than the second threshold value, a second signal that the fan shaking value test is qualified is given.
Preferably, the present embodiment can correspond to a plurality of program modules in the controller.
The embodiment realizes the accurate measurement of the fan running shaking value through the distance sensor, and the testing process of the shaking value is automated, so that the error of manual testing is avoided, the testing accuracy is improved, and the labor cost is saved.
Fig. 4 is a schematic physical structure diagram of an electronic device provided in the present invention, and as shown in fig. 4, the electronic device may include: a processor (processor) 410, a communication Interface 420, a memory (memory) 430 and a communication bus 440, wherein the processor 410, the communication Interface 420 and the memory 430 are communicated with each other via the communication bus 440. The processor 410 may invoke logic instructions in the memory 430 to perform a fan slosh value test method, the method comprising:
acquiring rotating speed data of a fan with a to-be-tested shaking value;
judging whether the rotating speed data reach a first threshold value or not, if so, acquiring distance data of a distance sensor, and taking a distance value from the distance sensor to the fan as the distance data;
continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
calculating a sway value for the fan based on the distance dataset;
and judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value test is unqualified, and if the shaking value is smaller than the second threshold value, giving a second signal that the fan shaking value test is qualified.
In addition, the logic instructions in the memory 430 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, which when executed by a computer, enable the computer to perform the fan sloshing value testing method provided by the above methods, the method comprising:
acquiring rotating speed data of a fan with a to-be-tested shaking value;
judging whether the rotating speed data reach a first threshold value or not, if so, acquiring distance data of a distance sensor, and taking a distance value from the distance sensor to the fan as the distance data;
continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
calculating a sway value for the fan based on the distance dataset;
and judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value test is unqualified, and if the shaking value is smaller than the second threshold value, giving a second signal that the fan shaking value test is qualified.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor is implemented to perform the fan sloshing value testing method provided above, the method comprising:
acquiring rotating speed data of a fan with a shaking value to be tested;
judging whether the rotating speed data reach a first threshold value or not, if so, acquiring distance data of a distance sensor, and taking a distance value from the distance sensor to the fan as the distance data;
continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
calculating a sway value for the fan based on the distance dataset;
and judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value test is unqualified, and if the shaking value is smaller than the second threshold value, giving a second signal that the fan shaking value test is qualified.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117622810A (en) * | 2024-01-25 | 2024-03-01 | 山西戴德测控技术股份有限公司 | Conveyor belt monitoring method, device, equipment and computer storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1755140A (en) * | 2004-09-30 | 2006-04-05 | 通用电气公司 | High Performance Cooling Fan |
| CN101074966A (en) * | 2007-06-15 | 2007-11-21 | 华为技术有限公司 | Method and apparatus for warning fan life |
| US20120078420A1 (en) * | 2010-09-28 | 2012-03-29 | Cisco Technology, Inc. | Fan speed control |
| CN104165152A (en) * | 2013-05-17 | 2014-11-26 | 昆达电脑科技(昆山)有限公司 | Electric fan safety protection device |
| US20200401112A1 (en) * | 2019-06-20 | 2020-12-24 | Hewlett Packard Enterprise Development Lp | Pre-runtime fan control |
-
2022
- 2022-10-31 CN CN202211352108.8A patent/CN115750422B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1755140A (en) * | 2004-09-30 | 2006-04-05 | 通用电气公司 | High Performance Cooling Fan |
| CN101074966A (en) * | 2007-06-15 | 2007-11-21 | 华为技术有限公司 | Method and apparatus for warning fan life |
| US20120078420A1 (en) * | 2010-09-28 | 2012-03-29 | Cisco Technology, Inc. | Fan speed control |
| CN104165152A (en) * | 2013-05-17 | 2014-11-26 | 昆达电脑科技(昆山)有限公司 | Electric fan safety protection device |
| US20200401112A1 (en) * | 2019-06-20 | 2020-12-24 | Hewlett Packard Enterprise Development Lp | Pre-runtime fan control |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117622810A (en) * | 2024-01-25 | 2024-03-01 | 山西戴德测控技术股份有限公司 | Conveyor belt monitoring method, device, equipment and computer storage medium |
| CN117622810B (en) * | 2024-01-25 | 2024-04-19 | 山西戴德测控技术股份有限公司 | Conveyor belt monitoring method, device, equipment and computer storage medium |
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